t(x)
"t"(x)
tril(x, k = 0, ...)
"tril"(x, k = 0)
triu(x, k = 0, ...)
"triu"(x, k = 0)
"dim"(x) <- value
aperm(a, perm=NULL, resize=TRUE, ...)madness object.madness object.1:n, where n is the number of dimensions
of a. When a has named dimnames, it can be a
character vector of length n giving a permutation of those
names. The default (used whenever perm has zero length) is to
reverse the order of the dimensions.TRUE).vec, todiag